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It’s April Fools Day AND Apple’s Birthday. In fact they are ’40 today’, so in celebration they have raised the Jolly Roger at Infinite Loop.[ Thanks to 9-5 Mac ].

For my part it seemed pertinent to highlight to share some of the highlights of how Apple (the company that nobody understands)have consistently made fools of us all. In no particular order … Continue reading →

Why didn’t anyone ever tell me that tensor contraction is just the extension of the inner product to multilinear algebras? Or that a dot product is just the special case of contraction of a pair of 1-tensors, which are also known as vectors?

On August 11, 1994, Kohn sold a CD of Sting’s Ten Summoner’s Tales album to a friend in Philadelphia, who used his credit card to spend $12.48, plus shipping costs, in a transaction that, for the first time ever, was protected by encryption technology.

Amazing to think that e-commerce has only been with us for 21 years. And who knew that a Sting album was part of the transaction. Had we known, we could have stopped it all then !